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add remove_process_memory_range()

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NAKAMURA Gou
2013-06-11 13:44:23 +09:00
parent 5206ae7d57
commit 8436f5a5ac
3 changed files with 98 additions and 2 deletions
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8
kernel/syscall.c
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@@ -506,12 +506,16 @@ SYSCALL_DECLARE(mmap)
SYSCALL_DECLARE(munmap)
{
unsigned long address, len;
int error;
address = ihk_mc_syscall_arg0(ctx);
len = ihk_mc_syscall_arg1(ctx);
return remove_process_region(cpu_local_var(current), address,
address + len);
ihk_mc_spinlock_lock_noirq(&cpu_local_var(current)->vm->memory_range_lock);
error = remove_process_memory_range(cpu_local_var(current), address, address+len);
ihk_mc_spinlock_unlock_noirq(&cpu_local_var(current)->vm->memory_range_lock);
return error;
}
SYSCALL_DECLARE(mprotect)